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Displaying 1-6 out of 6 total
Towards Tailored Semantic Annotation Systems from Wikipedia
Found in: Database and Expert Systems Applications, International Workshop on
By Shahad Kudama,Rafael Berlanga Llavori,Lisette García-Moya,Victoria Nebot,María José Aramburu Cabo
Issue Date:September 2011
pp. 478-482
The annotation of texts in natural language links some terms of the text to an external information source that gives us more detailed information about them. Most of the approaches made in this field get any text and annotate it by trying to find out the ...
Towards the Discovery of Semantic Relations in Large Biomedical Annotated Corpora
Found in: Database and Expert Systems Applications, International Workshop on
By Victoria Nebot Romero,Shahad Kudama,Rafael Berlanga Llavori
Issue Date:September 2011
pp. 465-469
This paper proposes the application of multidimensional analysis over large semantically annotated biomedical corpora for the identification of relevant abstract relations between the recognized entities. The identification of relations is one of the most ...
Preliminary Results for Biomedical Word Sense Disambiguation Based on Semantic Clustering
Found in: Database and Expert Systems Applications, International Workshop on
By Tamara Martín-Wanton,Rafael Berlanga-Llavori,Antonio Jimeno-Yepes
Issue Date:September 2011
pp. 460-464
Word sense disambiguation (WSD) is an intermediate task within information retrieval and information extraction, attempting to select the proper sense of ambiguous words. Due to the scarcity of training data, knowledge-based and knowledge-lean methods rece...
Retrieving Product Features and Opinions from Customer Reviews
Found in: IEEE Intelligent Systems
By Lisette Garcia-Moya,Henry Anaya-Sanchez,Rafael Berlanga-Llavori
Issue Date:May 2013
pp. 19-27
A new methodology based on language models retrieves product features and opinions from a collection of free-text customer reviews about a product or service. The proposal relies on a language-modeling framework that can be applied to reviews in any domain...
Using Semantic Web Technologies for Exploratory OLAP: A Survey
Found in: IEEE Transactions on Knowledge and Data Engineering
By Alberto Abello,Oscar Romero,Torben Bach Pedersen,Rafael Berlanga Llavori,Victoria Nebot,Maria Jose Aramburu,Alkis Simitsis
Issue Date:June 2014
pp. 1
This paper describes the convergence of some of the most influential technologies in the last few years, namely data warehousing (DW), On-Line Analytical Processing (OLAP), and the Semantic Web (SW). OLAP is used by enterprises to derive important business...
Terminological cleansing for improved information retrieval based on ontological terms
Found in: Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval (ESAIR '09)
By Antonio Jimeno-Yepes, Dietrich Rebholz-Schuhmann, Rafael Berlanga-Llavori
Issue Date:February 2009
pp. 2
Ontologies are frequently used in information retrieval being their main applications the expansion of queries, semantic indexing of documents and the organization of search results. However, the optimization of an ontology to perform information retrieval...